I vastly prefer the keyboard in the 2016 series even to a Lenovo X220, and don't possess a single dongle - other than a (desktop) USB-C dock which connects ever

I vastly prefer the keyboard in the 2016 series even to a Lenovo X220, and don't possess a single dongle - other than a (desktop) USB-C dock which connects everything in one hit. So no, both were significant improvements from my perspective.